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In 2017, the ozone hole's annual maximum set a record -- the smallest it's been since 1988

This year, the ozone hole's annual maximum set a record -- the smallest it's been since 1988.

European Commission funds Ozone Secretariat activities related to HFCs

Ozone Secretariat Executive Secretary Tina Birmpili (right) and the EU's Head of Delegation Philip Owen sign the agre

Countries begin preparing for implementation of the Kigali Amendment
At their 39th meeting in Bangkok from 11 to 14 July, the Open-Ended Working Group of the Parties to the Montreal Protocol
Montreal Protocol 30th anniversary

Made on the occasion of the 30th anniversary of the Montreal Protocol

New ‘Ozone Heroes’ campaign celebrates efforts to protect all life on Earth

In honour of the 30th anniversary of the landmark Montreal Protocol on Substances that Deplete the Ozone L

UN Secretary General: 30th Anniversary of Montreal Protocol

Made on the occasion of the 30th anniversary of the Montreal Protocol

2017 Ozone Awards: Call for Entries

In celebration of the 30th anniversary of the adoption of the Montreal Protocol, the Ozone Secretariat, in cooperatio

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Kigali Amendment Kigali Amendment
Montreal protocol progress
Kigali Amendment

The Kigali Amendment to the Montreal Protocol entered into force on 1 January 2019 after the threshold for the agreement to enter into force was met on 17 November 2017, when it was ratified by 20 parties.

Working towards climate neutrality Working towards climate neutrality
Greening the blue
Working towards climate neutrality

The Ozone Secretariat is part of the UN’s “Greening the Blue” efforts to move towards climate neutrality. The Secretariat works towards climate neutrality by measuring the carbon footprint of Vienna Convention and Montreal Protocol meetings ...

World Ozone Day

32 years and healing

Keep cool and carry on

30th anniversary of the Montreal Protocol: we are all ozone heroes

Ozone and climate: restored by a world united

Precious ozone: 30th anniversary of the Vienna Convention and international ozone day 2015

Earlier celebrations of international ozone day